CVE-2021-44568 Information

Description

Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995) which could cause a remote Denial of Service.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940 https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995 https://github.com/openSUSE/libsolv/issues/425

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5